Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The curved lines on a psychrometric chart indicates

2. In a lithium bromide absorption refrigeration system

3. Critical temperature is the temperature above which

4. A bootstrap air cooling system has

5. Freon group of refrigerants are

6. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

7. Which of the following is not a desirable property of a refrigerant?

8. The domestic refrigerator uses following type of compressor

9. The minimum temperature to which water can be cooled in a cooling tower is

10. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration


 

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